Merged revisions 96884 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r96884 | russell | 2008-01-07 10:39:23 -0600 (Mon, 07 Jan 2008) | 3 lines

Don't crash if something happens when setting up an SMDI interface and it gets
destroyed before the SMDI port handling thread gets created.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@96885 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_smdi.c

@@ -615,6 +615,8 @@ static int smdi_load(int reload)
 
 			ast_copy_string(iface->name, v->value, sizeof(iface->name));
 
+			iface->thread = AST_PTHREADT_NULL;
+
 			if (!(iface->file = fopen(iface->name, "r"))) {
 				ast_log(LOG_ERROR, "Error opening SMDI interface %s (%s)\n", iface->name, strerror(errno));
 				ASTOBJ_UNREF(iface, ast_smdi_interface_destroy);